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Trouble with mouse wheel (Developers)

posted by georgpotthast(R) Homepage, Germany, 07.09.2013, 09:29

I try to read the mouse wheel data from the ctmouse driver. Although I tried it on three different PCs I did not succeed.

When I call int 33/0011 I can read 0x574D in AX. But BX always returns 0x160000. So no mouse wheel is detected, since bit zero is zero.

I tried a PS/2 mouse with wheel and a USB mouse (support enabled in BIOS) with wheel as well.

Any suggestions?



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